When to Plant Zinnia in Aberdeen Proving Ground, Maryland (21005)

Location

Aberdeen Proving Ground, Maryland

ZIP Code

21005

USDA Zone

Last Frost

Sunday, April 5, 2026

📅 Planting Calendar

Direct Sow Outdoors Sunday, April 12, 2026

Pro Tip: Sow Zinnia directly outdoors 1 week after your last frost date — it needs warm soil.

🌿 Plant Details

Scientific Name Zinnia elegans

Days to Maturity 60 days

Mature Height 12-36"

Spread 12"

Type Annual

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Moderate (1 inch/week)

↔️

Spacing

12" apart

🌱

Planting Depth

0.25" deep

Seeds typically germinate in 5-10 days

Ready to Plant Zinnia in Aberdeen Proving Ground?

Get your seeds now so they're ready by Sunday, April 12, 2026.

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Other Plants for Aberdeen Proving Ground

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Growing Zinnia in Zone 7b

Zinnia (Zinnia elegans) is a popular garden vegetable. In Aberdeen Proving Ground, Maryland, which is in USDA Hardiness Zone 7b, you should direct sow seeds around Sunday, April 12, 2026.

Your average last frost date is Sunday, April 5, 2026. Zinnia grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.